'\" te
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.TH INSDELLN 3XCURSES "Jun 5, 2002"
.SH NAME
insdelln, winsdelln \- insert/delete lines to/from the window
.SH SYNOPSIS
.LP
.nf
\fBcc\fR [ \fIflag\fR... ] \fIfile\fR... \fB-I\fR /usr/xpg4/include \fB -L \fR /usr/xpg4/lib \e
\fB -R \fR /usr/xpg4/lib \fB -lcurses \fR [ \fIlibrary\fR... ]

\fBc89\fR [ \fIflag\fR... ] \fIfile\fR... \fB-lcurses\fR [ \fIlibrary\fR... ]

#include <curses.h>

\fBint\fR \fBinsdelln\fR(\fBint\fR \fIn\fR);
.fi

.LP
.nf
\fBint\fR \fBwinsdelln\fR(\fBWINDOW *\fR\fIwin\fR, \fBint\fR \fIn\fR);
.fi

.SH PARAMETERS
.sp
.ne 2
.na
\fB\fIn\fR\fR
.ad
.RS 7n
Is the number of lines to insert or delete (positive \fIn\fR inserts; negative
\fIn\fR deletes).
.RE

.sp
.ne 2
.na
\fB\fIwin\fR\fR
.ad
.RS 7n
Is a pointer to the window in which to insert or delete a line.
.RE

.SH DESCRIPTION
.sp
.LP
The \fBinsdelln()\fR and \fBwinsdelln()\fR functions insert or delete blank
lines  in \fBstdscr\fR or \fIwin\fR, respectively.  When \fIn\fR is positive,
\fIn\fR lines are added before the current line  and the bottom \fIn\fR lines
are lost; when \fIn\fR is negative, \fIn\fR lines  are deleted starting with
the current line, the remaining lines are moved up,  and the bottom \fIn\fR
lines are cleared. The position of the cursor does not change.
.SH RETURN VALUES
.sp
.LP
On success, these functions return \fBOK\fR. Otherwise, they return \fBERR\fR.
.SH ERRORS
.sp
.LP
None.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Standard
_
MT-Level	Unsafe
.TE

.SH SEE ALSO
.sp
.LP
.BR deleteln (3XCURSES),
.BR insertln (3XCURSES),
.BR libcurses (3XCURSES),
.BR attributes (7),
.BR standards (7)
